12742486 has 16 divisors (see below), whose sum is σ = 20470320. Its totient is φ = 5927680.

The previous prime is 12742481. The next prime is 12742511. The reversal of 12742486 is 68424721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12742481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (1279395).

Almost surely, 2^12742486 is an apocalyptic number.

12742486 is a deficient number, since it is larger than the sum of its proper divisors (7727834).

12742486 is a wasteful number, since it uses less digits than its factorization.

12742486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319.

The product of its digits is 21504, while the sum is 34.

The square root of 12742486 is about 3569.6618887508. The cubic root of 12742486 is about 233.5705347484.

The spelling of 12742486 in words is "twelve million, seven hundred forty-two thousand, four hundred eighty-six".